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A comprehensive engineers' reference source for radial ball bearings and thrust ball bearing

 


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           Ball bearing failure
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              Ball bearing wear


  BALL BEARING GEOMETRY  

When a bearing is running under load, force is transmitted from one bearing raceway to the other through the balls. The contact area between a ball and the raceway (contact ellipse) may be very small, so that even moderate loads can produce very large stresses. These stresses can affect bearing performance and life dramatically, so that it is important to consider the internal geometry of the bearing before making a selection for a given application.







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